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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:21 am CDT Jul 26, 2026
Forecast Valid: 4am CDT Jul 26, 2026-6pm CDT Aug 1, 2026

Sunday

SW wind 5 to 10 kt becoming SSE in the afternoon. A slight chance of showers and thunderstorms after 4pm. Seas around 1 ft.

Sunday Night

S wind around 10 kt. A slight chance of showers and thunderstorms before 7pm. Seas around 1 ft.

Monday

SW wind around 10 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

Monday Night

S wind 10 to 15 kt. Mostly clear. Seas around 1 ft.

Tuesday

SW wind 10 to 15 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

Tuesday Night

S wind 10 to 15 kt becoming SW after midnight. Mostly clear. Seas around 1 ft.

Wednesday

WSW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

Wednesday Night

S wind 5 to 10 kt becoming SW after midnight. Partly cloudy. Seas around 1 ft.

Thursday

WSW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas around 1 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.